First, unpack the file KeyDump_HASP4.zip and execute the file KeyDump.exe in the unpacked folder. Then, a small tool opens where you will see the hardlock displayed below License Information.

If it is not displayed, the dongle is maybe defect, or the driver is not installed correctly. Usually, dongle drivers are installed automatically together with the installation of RFEM or RSTAB. But if this is not the case, a subsequent manual installation of the dongle driver may solve the problem. Use the following link to download the current driver from the producers for the respective operating system: